Rotating ball caster



FIG. 1 is a top plan view of the rotating ball caster illustrating one embodiment of the present invention;

FIG. 2 is a front elevational view of the rotating ball caster of FIG. 1, the left side, rear, and right side views appearing the same as the front view;

FIG. 3 is a bottom plan view of the rotating ball caster of FIG. 1;

FIG. 4 is a top plan view of a second embodiment of the rotating ball caster of the present invention;

FIG. 5 is a front elevational view of the rotating ball caster of FIG. 4, the left side, rear, and right side views appearing the same as the front view; and,

FIG. 6 is a bottom plan view of the rotating ball caster of FIG. 4. 

The ornamental design for a rotating ball caster, as shown and described. 